Coffee machines
Bean-to-cup, manual espresso and capsule machines. The big brands sell the same core machine at several prices, and the extra money often buys a screen or a milk carafe rather than better coffee.
Cheaper alternatives

De'Longhi La Specialista Opera EC9555.M alternatives
Three cheaper espresso machines. You give up the smart tamp and cold brew.

De'Longhi La Specialista Touch EC9455.M alternatives
Three cheaper picks. Each drops either the grinder or the automatic milk.

De'Longhi Rivelia EXAM440.55 alternatives
Three cheaper routes to fresh-bean coffee. You lose the hopper swap and auto milk.

Ninja Luxe Café ES601UK alternatives
Three cheaper machines that take up less room. None makes drip or cold brew.

Sage Barista Touch Impress alternatives
Keep the guidance, the grinder or the auto milk, and pay much less.

Sage Barista Express alternatives
Three cheaper espresso machines: a grinder, guided shots, or hands-free milk.